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Senior
Registration: 24.09.2025

Ievgenii Iablonskyi

Specialization: iOS / tvOS Developer
— Senior iOS/tvOS Developer with 10+ years of experience delivering apps at scale — from flagship streaming platforms used by millions to independently published apps on the App Store, with thousands of active users and recurring revenue. — Highly experienced in Swift, UIKit, and reactive programming, with deep knowledge of MVVM/VIPER. — Known for taking features end-to-end, thriving in cross-functional teams where design and engineering meet, and collaborating to ship polished, reliable user experiences. Highlights: — 10+ yrs in Swift & UIKit. — 5+ yrs in reactive programming (RxSwift, ReactiveSwift) across complex apps. — 3+ yrs in tvOS (Focus Engine, shared iOS/tvOS codebases). — Strong record of independently owning and delivering features used by millions.
Xcode AVFoundation REST Zeplin AVKit kanban Objective-C fastlane Swift CircleCI iOS UIKit Python Voice Over Figma VIPER Git Scrum ReactiveCocoa RxCocoa Firebase TestFlight CocoaPods RxSwift Agile
— Senior iOS/tvOS Developer with 10+ years of experience delivering apps at scale — from flagship streaming platforms used by millions to independently published apps on the App Store, with thousands of active users and recurring revenue. — Highly experienced in Swift, UIKit, and reactive programming, with deep knowledge of MVVM/VIPER. — Known for taking features end-to-end, thriving in cross-functional teams where design and engineering meet, and collaborating to ship polished, reliable user experiences. Highlights: — 10+ yrs in Swift & UIKit. — 5+ yrs in reactive programming (RxSwift, ReactiveSwift) across complex apps. — 3+ yrs in tvOS (Focus Engine, shared iOS/tvOS codebases). — Strong record of independently owning and delivering features used by millions.
Xcode AVFoundation REST Zeplin AVKit kanban Objective-C fastlane Swift CircleCI iOS UIKit Python Voice Over Figma VIPER Git Scrum ReactiveCocoa RxCocoa Firebase TestFlight CocoaPods RxSwift Agile

Skills

Swift
Objective-C
Python
iOS
tvOS
Apple TV
UIKit
SwiftUI
RxSwift
RxCocoa
ReactiveSwift
ReactiveCocoa
Combine
MVVM
VIPER
Coordinators
SOLID
Core Data
URLSession
REST
Codable
AVFoundation
AVKit
AVPlayer
HLS
Bitmovin Player
Firebase
Firebase Crashlytics
Swift Package Manager
CocoaPods
Fastlane
XCTest
XCUITest
App Store Connect
TestFlight
Xcode
Git
CircleCI
Accessibility
VoiceOver
tvOS Focus Engine
Figma
Zeplin
POEditor
Agile
Scrum
Kanban

Work experience

iOS & tvOS Developer
07.2022 - 08.2025 |NOUS Digital
Swift, RxSwift, RxCocoa, MVVM, Custom Video Player Integrations
● Over 3+ years, built and delivered many major features end-to-end with full ownership on iOS/tvOS streaming apps for Austria’s largest broadcaster, used by millions. ● Frequently pioneered implementations on iOS before Android and aligned approaches across platforms. ● Played a key role in the full design relaunch, critical business and legal features, as well as advanced accessibility upgrades.
iOS Developer
01.2020 - 07.2022 |Konnectable
iOS, AWS, Unit Tests
● Developed and maintained the iOS app as the only iOS engineer, adding core functionality such as notifications, drag & drop, dark mode, onboarding flows, and complex collection/table UIs. ● Integrated with an AWS backend and added unit tests for reliability. ● The client highlighted my reliability, proactive problem-solving, and clear communication throughout the project.
iOS Developer
05.2017 - 07.2019 |QT Mobilitätsservice (Qixxit)
iOS, WebSocke, Swift, VIPER, ReactiveSwift
● Co-built the Qixxit iOS travel planner from scratch with one teammate in a fast -paced Berlin startup. ● Collaborated tightly with Android, backend, and design teams to deliver a consistent cross-platform product. ● Implemented key features including Apple Pay/PayPal, WebSocket connections, itinerary filtering, and Google Maps integration using Swift, VIPER, and ReactiveSwift. ● The app was featured multiple times on the App Store and partnered with Apple for the German Apple Pay launch.
iOS Developer
since 03.2016 - Till the present day |You Owe Me
iOS, Swift, Core Data, Firebase
● Built and maintain You Owe Me, a personal finance app live on the App Store with 420+ ratings ( 4.5★ average) and recurring monthly revenue. ● Developed entirely in Swift with Core Data for offline reliability, Firebase sync, Apple Sign-In, biometric authentication, and subscription-based monetization. ● Managed the full lifecycle independently for 9+ years, from architecture and development to UI/UX, ASO, and continuous feature updates — combining engineering with product and business decisions to ensure long-term growth and user engagement.
iOS Developer
02.2016 - 05.2017 |Presto app
iOS, Swift, RESTful APIs
● Developed the Presto app from scratch in Swift, integrating RESTful APIs and secure user authentication. ● Worked as the sole iOS developer, independently delivering new features, fixing issues, and maintaining code quality. ● Built a close working relationship with the client over more than a year of collaboration, consistently delivering on time and keeping communication clear and effective. ● Earned outstanding client reviews praising code quality, problem-solving, and reliability.
iOS Developer
10.2015 - 01.2016 |NDA
iOS, Swift, APIs, UI components
● Delivered multiple iOS projects for international clients, ranging from full app builds to feature enhancements and mentoring. ● Built apps in Swift from scratch, integrated APIs, and implemented features like notifications and UI components. ● Earned consistently strong reviews (5.0 ★ ratings), with clients praising clean code, proactive communication, and reliable delivery. ● These projects marked the start of my iOS career and helped me build a strong foundation before moving into long-term roles.

Educational background

Finance and Credit (Bachelor’s Degree)
Oles Honchar Dnipropetrovsk National University
International Economic Relations
Oles Honchar Dnipropetrovsk National University

Languages

EnglishAdvancedRussianNativeUkrainianNative